Disk drive unit



FIG. 1 is a perspective view of a disk drive unit showing our new designin a state where a disk tray is drawn out;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof, the left side view being a mirrorimage of the right side;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The ornamental design for a disk drive unit, as shown and described. 